THE EARTH’S ATMOSPHERE

COMPOSITION OF THE EARTH’S ATMOSPHERE

THE LAYERS OF THE

ATMOSPHERE

TROPOSPHERETROPOSPHERE

• TROPO – TURNING AND CHANGING

• LAYER IN WHICH WE LIVE• RAIN, SNOW, AND CLOUDS

ARE FOUND IN THIS LAYER• LOWEST LAYER• CONTAINS 90% OF THE

ATMOSPHERE’S TOTAL MASS

STRATOSPHERESTRATOSPHERE

• STRATO MEANS LAYER• THE GASES DO NOT MIX• IT CONTAINS THE OZONE

LAYER

MESOSPHERE

• MESO MEANS MIDDLE

• THE MIDDLE LAYER

• THE COLDEST LAYER

THERMOSPHERE

• THERM MEANS HEAT

• UPPERMOST LAYER• IT IS NAMED FOR

ITS HIGH TEMPERATURES

IONOSPHERE• AN AREA LOCATED IN THE UPPER MESOPHERE• AND LOWER THERMOSPHERE• THIS PART OF THE ATOMOSPHERE CONTAINS IONS• IONS ARE ELECTRICALLY CHARGED PARTICLES

THE EXOSPHERETHIS IS OUTER SPACE

THE LAYERS OF THE ATMOSPHERE

Order the Atmosphere’s Layers!• If you sit by someone in your row, you make work

with them quietly.• Take the paperclip off your stack.• Find “Earth’s Surface” and place it at the bottom of

your desk• Then find “Outer Space” and place it at the top of

your desk.• Order the layers of the atmosphere, from the closest

to the Earth’s surface, to the closest to outer space.• Then, match the definitions of the layers with the

layers you have ordered!• When you are finished, quietly raise your hand!